Idle Speed Control System: Description

Gasoline models are equipped with an electronic idle speed control system which maintains a constant idle speed under all conditions. The control unit monitors engine speed and actuates an air control valve which by-passes throttle valve and increases or decreases the amount of air to engine.

This air supply is varied to maintain idle speed. System includes the control unit, air control valve, throttle switch, coolant sensor, A/C switch and connecting wiring and hoses.